Match these items and the phrases with which they are associated. 1. upward force of a liquid on an object volume 2. h2o buoyancy 3. basic unit of matter density 4. amount of matter in an object neils bohr 5. n = 1 inner shell 6. mixture atom 7. l × w × h water 8. drew first picture of atom mass 9. mass/volume concrete

Consider each of the electric- and magnetic-field orientations given next. in each case, what is the direction of propagation of the wave? a)\vec ein the +xdirection,\vec bin the +ydirection. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction b)\vec ein the -y direction,\vec bin the +x choose+ x direction- x direction+ y direction- y direction+ z direction- z direction c)\vec ein the +z direction,\vec bin the -x direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction d)\vec ein the +y direction,\vec bin the -z direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction